Subject: Re: -current free vnode panic
To: David Brownlee <D.K.Brownlee@city.ac.uk>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: current-users
Date: 10/02/1995 10:25:50
On Mon, 2 Oct 1995 13:28:44 +0100 (BST)
David Brownlee <D.K.Brownlee@city.ac.uk> wrote:
To follow up ... I got this somehow confused (due to lack of morning
coffee at the time) with ghudson's svr4 problem ... Obviously, the patch
I posted as a reply to David's mail does not apply to David's problem...
Sorry for the confusion.
For the record, I've had my first cup now :-)
> (update)
> It definitely seems to be triggered by intensive calls to {l,}stat()
> A diagnostic kernel reported:
>
> vrele: bad ref count: type VDIR, usecount -1, writecount 0,refcount 1,
> tag VT_UFS, ino 112029, on dev 7, 8
> panic: vrele: ref cnt
>
> I _think_ this is a MI problem - will not post anything more to
> port-sparc, apologies for not doing this sooner...
>
> Unfortunately my limited skills expire at this point & I'm left
> throwing myself on the wisdom of real kernel hackers :)
>
> (I've managed to hold the system together by disabling all the
> debates on the BBS that runs on it - its sitting on 54 users quite
> happily (so far!), when befre it was going down before about 40.
>
> David/abs
>
> D.K.Brownlee@city.ac.uk (MIME) +44 171 477 8186 {post,host}master (abs)
> Network Analyst, UCS, City University, Northampton Square, London EC1V 0HB.
> <<< Monochrome - Largest UK Internet BBS - telnet mono.org >>>
> >=- Microsoft: Abort and Retry Cancel -or- NetBSD: http://www.netbsd.org -=<
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